test for 0 alignment length
test for 0 alignment length

bioinformed/pysam,bioinformed/pysam,bioinformed/pysam,bioinformed/pysam,TyberiusPrime/pysam,TyberiusPrime/pysam,pysam-developers/pysam,kyleabeauchamp/pysam,pysam-developers/pysam,TyberiusPrime/pysam,pysam-developers/pysam,TyberiusPrime/pysam,pysam-developers/pysam,bioinformed/pysam,kyleabeauchamp/pysam,kyleabeauchamp/pysam,TyberiusPrime/pysam,kyleabeauchamp/pysam,kyleabeauchamp/pysam